001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.blogs.action;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.kernel.json.JSONFactoryUtil;
020    import com.liferay.portal.kernel.json.JSONObject;
021    import com.liferay.portal.kernel.portlet.LiferayPortletConfig;
022    import com.liferay.portal.kernel.portlet.LiferayWindowState;
023    import com.liferay.portal.kernel.sanitizer.SanitizerException;
024    import com.liferay.portal.kernel.servlet.SessionErrors;
025    import com.liferay.portal.kernel.servlet.SessionMessages;
026    import com.liferay.portal.kernel.upload.UploadPortletRequest;
027    import com.liferay.portal.kernel.util.ArrayUtil;
028    import com.liferay.portal.kernel.util.Constants;
029    import com.liferay.portal.kernel.util.HttpUtil;
030    import com.liferay.portal.kernel.util.ParamUtil;
031    import com.liferay.portal.kernel.util.StreamUtil;
032    import com.liferay.portal.kernel.util.StringPool;
033    import com.liferay.portal.kernel.util.StringUtil;
034    import com.liferay.portal.kernel.util.Validator;
035    import com.liferay.portal.kernel.workflow.WorkflowConstants;
036    import com.liferay.portal.security.auth.PrincipalException;
037    import com.liferay.portal.service.ServiceContext;
038    import com.liferay.portal.service.ServiceContextFactory;
039    import com.liferay.portal.struts.PortletAction;
040    import com.liferay.portal.theme.ThemeDisplay;
041    import com.liferay.portal.util.PortalUtil;
042    import com.liferay.portal.util.PortletKeys;
043    import com.liferay.portal.util.PropsValues;
044    import com.liferay.portal.util.WebKeys;
045    import com.liferay.portlet.PortletURLImpl;
046    import com.liferay.portlet.asset.AssetCategoryException;
047    import com.liferay.portlet.asset.AssetTagException;
048    import com.liferay.portlet.assetpublisher.util.AssetPublisherUtil;
049    import com.liferay.portlet.blogs.EntryContentException;
050    import com.liferay.portlet.blogs.EntryDisplayDateException;
051    import com.liferay.portlet.blogs.EntrySmallImageNameException;
052    import com.liferay.portlet.blogs.EntrySmallImageSizeException;
053    import com.liferay.portlet.blogs.EntryTitleException;
054    import com.liferay.portlet.blogs.NoSuchEntryException;
055    import com.liferay.portlet.blogs.model.BlogsEntry;
056    import com.liferay.portlet.blogs.service.BlogsEntryLocalServiceUtil;
057    import com.liferay.portlet.blogs.service.BlogsEntryServiceUtil;
058    
059    import java.io.InputStream;
060    
061    import java.util.Calendar;
062    import java.util.HashMap;
063    import java.util.Map;
064    
065    import javax.portlet.ActionRequest;
066    import javax.portlet.ActionResponse;
067    import javax.portlet.PortletConfig;
068    import javax.portlet.PortletRequest;
069    import javax.portlet.RenderRequest;
070    import javax.portlet.RenderResponse;
071    import javax.portlet.WindowState;
072    
073    import javax.servlet.http.HttpServletResponse;
074    
075    import org.apache.struts.action.ActionForm;
076    import org.apache.struts.action.ActionForward;
077    import org.apache.struts.action.ActionMapping;
078    
079    /**
080     * @author Brian Wing Shun Chan
081     * @author Wilson S. Man
082     * @author Thiago Moreira
083     * @author Juan Fernández
084     * @author Zsolt Berentey
085     * @author Levente Hudák
086     */
087    public class EditEntryAction extends PortletAction {
088    
089            @Override
090            public void processAction(
091                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
092                            ActionRequest actionRequest, ActionResponse actionResponse)
093                    throws Exception {
094    
095                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
096    
097                    try {
098                            BlogsEntry entry = null;
099                            String oldUrlTitle = StringPool.BLANK;
100    
101                            if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
102                                    Object[] returnValue = updateEntry(actionRequest);
103    
104                                    entry = (BlogsEntry)returnValue[0];
105                                    oldUrlTitle = ((String)returnValue[1]);
106                            }
107                            else if (cmd.equals(Constants.DELETE)) {
108                                    deleteEntries(
109                                            (LiferayPortletConfig)portletConfig, actionRequest, false);
110                            }
111                            else if (cmd.equals(Constants.MOVE_TO_TRASH)) {
112                                    deleteEntries(
113                                            (LiferayPortletConfig)portletConfig, actionRequest, true);
114                            }
115                            else if (cmd.equals(Constants.SUBSCRIBE)) {
116                                    subscribe(actionRequest);
117                            }
118                            else if (cmd.equals(Constants.RESTORE)) {
119                                    restoreEntries(actionRequest);
120                            }
121                            else if (cmd.equals(Constants.UNSUBSCRIBE)) {
122                                    unsubscribe(actionRequest);
123                            }
124    
125                            String redirect = ParamUtil.getString(actionRequest, "redirect");
126                            boolean updateRedirect = false;
127    
128                            if (Validator.isNotNull(oldUrlTitle)) {
129                                    String portletId = HttpUtil.getParameter(
130                                            redirect, "p_p_id", false);
131    
132                                    String oldRedirectParam =
133                                            PortalUtil.getPortletNamespace(portletId) + "redirect";
134    
135                                    String oldRedirect = HttpUtil.getParameter(
136                                            redirect, oldRedirectParam, false);
137    
138                                    if (Validator.isNotNull(oldRedirect)) {
139                                            String newRedirect = HttpUtil.decodeURL(oldRedirect);
140    
141                                            newRedirect = StringUtil.replace(
142                                                    newRedirect, oldUrlTitle, entry.getUrlTitle());
143                                            newRedirect = StringUtil.replace(
144                                                    newRedirect, oldRedirectParam, "redirect");
145    
146                                            redirect = StringUtil.replace(
147                                                    redirect, oldRedirect, newRedirect);
148                                    }
149                                    else if (redirect.endsWith("/blogs/" + oldUrlTitle) ||
150                                                     redirect.contains("/blogs/" + oldUrlTitle + "?") ||
151                                                     redirect.contains("/blog/" + oldUrlTitle + "?")) {
152    
153                                            redirect = StringUtil.replace(
154                                                    redirect, oldUrlTitle, entry.getUrlTitle());
155                                    }
156    
157                                    updateRedirect = true;
158                            }
159    
160                            int workflowAction = ParamUtil.getInteger(
161                                    actionRequest, "workflowAction",
162                                    WorkflowConstants.ACTION_SAVE_DRAFT);
163    
164                            boolean ajax = ParamUtil.getBoolean(actionRequest, "ajax");
165    
166                            if (ajax) {
167                                    JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
168    
169                                    jsonObject.put("entryId", entry.getEntryId());
170                                    jsonObject.put("redirect", redirect);
171                                    jsonObject.put("updateRedirect", updateRedirect);
172    
173                                    writeJSON(actionRequest, actionResponse, jsonObject);
174    
175                                    return;
176                            }
177    
178                            if ((entry != null) &&
179                                    (workflowAction == WorkflowConstants.ACTION_SAVE_DRAFT)) {
180    
181                                    redirect = getSaveAndContinueRedirect(
182                                            portletConfig, actionRequest, entry, redirect);
183    
184                                    sendRedirect(actionRequest, actionResponse, redirect);
185                            }
186                            else {
187                                    WindowState windowState = actionRequest.getWindowState();
188    
189                                    if (!windowState.equals(LiferayWindowState.POP_UP)) {
190                                            sendRedirect(actionRequest, actionResponse, redirect);
191                                    }
192                                    else {
193                                            redirect = PortalUtil.escapeRedirect(redirect);
194    
195                                            if (Validator.isNotNull(redirect)) {
196                                                    actionResponse.sendRedirect(redirect);
197                                            }
198                                    }
199                            }
200                    }
201                    catch (Exception e) {
202                            if (e instanceof NoSuchEntryException ||
203                                    e instanceof PrincipalException) {
204    
205                                    SessionErrors.add(actionRequest, e.getClass());
206    
207                                    setForward(actionRequest, "portlet.blogs.error");
208                            }
209                            else if (e instanceof EntryContentException ||
210                                             e instanceof EntryDisplayDateException ||
211                                             e instanceof EntrySmallImageNameException ||
212                                             e instanceof EntrySmallImageSizeException ||
213                                             e instanceof EntryTitleException ||
214                                             e instanceof SanitizerException) {
215    
216                                    SessionErrors.add(actionRequest, e.getClass());
217                            }
218                            else if (e instanceof AssetCategoryException ||
219                                             e instanceof AssetTagException) {
220    
221                                    SessionErrors.add(actionRequest, e.getClass(), e);
222                            }
223                            else {
224                                    Throwable cause = e.getCause();
225    
226                                    if (cause instanceof SanitizerException) {
227                                            SessionErrors.add(actionRequest, SanitizerException.class);
228                                    }
229                                    else {
230                                            throw e;
231                                    }
232                            }
233                    }
234            }
235    
236            @Override
237            public ActionForward render(
238                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
239                            RenderRequest renderRequest, RenderResponse renderResponse)
240                    throws Exception {
241    
242                    try {
243                            ActionUtil.getEntry(renderRequest);
244    
245                            if (PropsValues.BLOGS_PINGBACK_ENABLED) {
246                                    BlogsEntry entry = (BlogsEntry)renderRequest.getAttribute(
247                                            WebKeys.BLOGS_ENTRY);
248    
249                                    if ((entry != null) && entry.isAllowPingbacks()) {
250                                            HttpServletResponse response =
251                                                    PortalUtil.getHttpServletResponse(renderResponse);
252    
253                                            response.addHeader(
254                                                    "X-Pingback",
255                                                    PortalUtil.getPortalURL(renderRequest) +
256                                                            "/xmlrpc/pingback");
257                                    }
258                            }
259                    }
260                    catch (Exception e) {
261                            if (e instanceof NoSuchEntryException ||
262                                    e instanceof PrincipalException) {
263    
264                                    SessionErrors.add(renderRequest, e.getClass());
265    
266                                    return mapping.findForward("portlet.blogs.error");
267                            }
268                            else {
269                                    throw e;
270                            }
271                    }
272    
273                    return mapping.findForward(
274                            getForward(renderRequest, "portlet.blogs.edit_entry"));
275            }
276    
277            protected void deleteEntries(
278                            LiferayPortletConfig liferayPortletConfig,
279                            ActionRequest actionRequest, boolean moveToTrash)
280                    throws Exception {
281    
282                    long[] deleteEntryIds = null;
283    
284                    long entryId = ParamUtil.getLong(actionRequest, "entryId");
285    
286                    if (entryId > 0) {
287                            deleteEntryIds = new long[] {entryId};
288                    }
289                    else {
290                            deleteEntryIds = StringUtil.split(
291                                    ParamUtil.getString(actionRequest, "deleteEntryIds"), 0L);
292                    }
293    
294                    for (long deleteEntryId : deleteEntryIds) {
295                            if (moveToTrash) {
296                                    BlogsEntryServiceUtil.moveEntryToTrash(deleteEntryId);
297                            }
298                            else {
299                                    BlogsEntryServiceUtil.deleteEntry(deleteEntryId);
300                            }
301                    }
302    
303                    if (moveToTrash && (deleteEntryIds.length > 0)) {
304                            Map<String, String[]> data = new HashMap<String, String[]>();
305    
306                            data.put(
307                                    "restoreEntryIds", ArrayUtil.toStringArray(deleteEntryIds));
308    
309                            SessionMessages.add(
310                                    actionRequest,
311                                    liferayPortletConfig.getPortletId() +
312                                            SessionMessages.KEY_SUFFIX_DELETE_SUCCESS_DATA, data);
313    
314                            SessionMessages.add(
315                                    actionRequest,
316                                    liferayPortletConfig.getPortletId() +
317                                            SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_SUCCESS_MESSAGE);
318                    }
319            }
320    
321            protected String getSaveAndContinueRedirect(
322                            PortletConfig portletConfig, ActionRequest actionRequest,
323                            BlogsEntry entry, String redirect)
324                    throws Exception {
325    
326                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
327                            WebKeys.THEME_DISPLAY);
328    
329                    String backURL = ParamUtil.getString(actionRequest, "backURL");
330    
331                    boolean preview = ParamUtil.getBoolean(actionRequest, "preview");
332    
333                    PortletURLImpl portletURL = new PortletURLImpl(
334                            actionRequest, portletConfig.getPortletName(),
335                            themeDisplay.getPlid(), PortletRequest.RENDER_PHASE);
336    
337                    portletURL.setWindowState(actionRequest.getWindowState());
338    
339                    String portletName = portletConfig.getPortletName();
340    
341                    if (portletName.equals(PortletKeys.BLOGS_ADMIN)) {
342                            portletURL.setParameter("struts_action", "/blogs_admin/edit_entry");
343                    }
344                    else {
345                            portletURL.setParameter("struts_action", "/blogs/edit_entry");
346                    }
347    
348                    portletURL.setParameter(Constants.CMD, Constants.UPDATE, false);
349                    portletURL.setParameter("redirect", redirect, false);
350                    portletURL.setParameter("backURL", backURL, false);
351                    portletURL.setParameter(
352                            "groupId", String.valueOf(entry.getGroupId()), false);
353                    portletURL.setParameter(
354                            "entryId", String.valueOf(entry.getEntryId()), false);
355                    portletURL.setParameter("preview", String.valueOf(preview), false);
356    
357                    return portletURL.toString();
358            }
359    
360            protected void restoreEntries(ActionRequest actionRequest)
361                    throws PortalException, SystemException {
362    
363                    long[] restoreEntryIds = StringUtil.split(
364                            ParamUtil.getString(actionRequest, "restoreEntryIds"), 0L);
365    
366                    for (long restoreEntryId : restoreEntryIds) {
367                            BlogsEntryServiceUtil.restoreEntryFromTrash(restoreEntryId);
368                    }
369            }
370    
371            protected void subscribe(ActionRequest actionRequest) throws Exception {
372                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
373                            WebKeys.THEME_DISPLAY);
374    
375                    BlogsEntryServiceUtil.subscribe(themeDisplay.getScopeGroupId());
376            }
377    
378            protected void unsubscribe(ActionRequest actionRequest) throws Exception {
379                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
380                            WebKeys.THEME_DISPLAY);
381    
382                    BlogsEntryServiceUtil.unsubscribe(themeDisplay.getScopeGroupId());
383            }
384    
385            protected Object[] updateEntry(ActionRequest actionRequest)
386                    throws Exception {
387    
388                    long entryId = ParamUtil.getLong(actionRequest, "entryId");
389    
390                    String title = ParamUtil.getString(actionRequest, "title");
391                    String description = ParamUtil.getString(actionRequest, "description");
392                    String content = ParamUtil.getString(actionRequest, "content");
393    
394                    int displayDateMonth = ParamUtil.getInteger(
395                            actionRequest, "displayDateMonth");
396                    int displayDateDay = ParamUtil.getInteger(
397                            actionRequest, "displayDateDay");
398                    int displayDateYear = ParamUtil.getInteger(
399                            actionRequest, "displayDateYear");
400                    int displayDateHour = ParamUtil.getInteger(
401                            actionRequest, "displayDateHour");
402                    int displayDateMinute = ParamUtil.getInteger(
403                            actionRequest, "displayDateMinute");
404                    int displayDateAmPm = ParamUtil.getInteger(
405                            actionRequest, "displayDateAmPm");
406    
407                    if (displayDateAmPm == Calendar.PM) {
408                            displayDateHour += 12;
409                    }
410    
411                    boolean allowPingbacks = ParamUtil.getBoolean(
412                            actionRequest, "allowPingbacks");
413                    boolean allowTrackbacks = ParamUtil.getBoolean(
414                            actionRequest, "allowTrackbacks");
415                    String[] trackbacks = StringUtil.split(
416                            ParamUtil.getString(actionRequest, "trackbacks"));
417    
418                    boolean smallImage = false;
419                    String smallImageURL = null;
420                    String smallImageFileName = null;
421                    InputStream smallImageInputStream = null;
422    
423                    BlogsEntry entry = null;
424                    String oldUrlTitle = null;
425    
426                    try {
427                            boolean ajax = ParamUtil.getBoolean(actionRequest, "ajax");
428    
429                            if (!ajax) {
430                                    smallImage = ParamUtil.getBoolean(actionRequest, "smallImage");
431                                    smallImageURL = ParamUtil.getString(
432                                            actionRequest, "smallImageURL");
433    
434                                    if (smallImage && Validator.isNull(smallImageURL)) {
435                                            boolean attachments = ParamUtil.getBoolean(
436                                                    actionRequest, "attachments");
437    
438                                            if (attachments) {
439                                                    UploadPortletRequest uploadPortletRequest =
440                                                            PortalUtil.getUploadPortletRequest(actionRequest);
441    
442                                                    smallImageFileName = uploadPortletRequest.getFileName(
443                                                            "smallFile");
444                                                    smallImageInputStream =
445                                                            uploadPortletRequest.getFileAsStream("smallFile");
446                                            }
447                                    }
448                            }
449    
450                            ServiceContext serviceContext = ServiceContextFactory.getInstance(
451                                    BlogsEntry.class.getName(), actionRequest);
452    
453                            entry = null;
454                            oldUrlTitle = StringPool.BLANK;
455    
456                            if (entryId <= 0) {
457    
458                                    // Add entry
459    
460                                    entry = BlogsEntryServiceUtil.addEntry(
461                                            title, description, content, displayDateMonth,
462                                            displayDateDay, displayDateYear, displayDateHour,
463                                            displayDateMinute, allowPingbacks, allowTrackbacks,
464                                            trackbacks, smallImage, smallImageURL, smallImageFileName,
465                                            smallImageInputStream, serviceContext);
466    
467                                    AssetPublisherUtil.addAndStoreSelection(
468                                            actionRequest, BlogsEntry.class.getName(),
469                                            entry.getEntryId(), -1);
470                            }
471                            else {
472    
473                                    // Update entry
474    
475                                    entry = BlogsEntryLocalServiceUtil.getEntry(entryId);
476    
477                                    String tempOldUrlTitle = entry.getUrlTitle();
478    
479                                    entry = BlogsEntryServiceUtil.updateEntry(
480                                            entryId, title, description, content, displayDateMonth,
481                                            displayDateDay, displayDateYear, displayDateHour,
482                                            displayDateMinute, allowPingbacks, allowTrackbacks,
483                                            trackbacks, smallImage, smallImageURL, smallImageFileName,
484                                            smallImageInputStream, serviceContext);
485    
486                                    if (!tempOldUrlTitle.equals(entry.getUrlTitle())) {
487                                            oldUrlTitle = tempOldUrlTitle;
488                                    }
489    
490                                    AssetPublisherUtil.addAndStoreSelection(
491                                            actionRequest, BlogsEntry.class.getName(),
492                                            entry.getEntryId(), -1);
493                            }
494                    }
495                    finally {
496                            StreamUtil.cleanUp(smallImageInputStream);
497                    }
498    
499                    return new Object[] {entry, oldUrlTitle};
500            }
501    
502    }